Πειραιεύς
From LSJ
ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
English (LSJ)
or Πειρᾱεύς (v. infr.), ὁ, Piraeus : gen. Πειραιέως, Att.
A Πειραιῶς Th.2.93, Isoc. 16.46, D.8.7, 24.134, Moer. p.314P. ; dat. Πειραιεῖ X. HG2.4.30 ; acc. Πειραιᾶ ib.5.4.34, Th. 2.93, Pl. R. 327a, D. 17.26 ; Ion. Πειραιέα Hdt. 8.85 :—Loc. Πειραιοῖ, in Piraeus, X. HG 2.4.32, Ael. VH 2.13 ; Πειραιόθεν, from P., Alciphr. 2.4.—The form Πειραεύς is freq. in Inscrr., IG2.2459b2, etc. ; Πειρᾰέως AP6.349 (Phld.) ; Πειραιεῖ Ar. Pax 165, but -αῐεῖ ib. 145 :—Adj. Πειραϊκός, ή, όν, IG22.456.33, Plu. Sull. 14, etc.